22126254 has 16 divisors (see below), whose sum is σ = 44683392. Its totient is φ = 7303608.

The previous prime is 22126229. The next prime is 22126261. The reversal of 22126254 is 45262122.

It is a happy number.

It is a super-2 number, since 2×22126254² = 979142232145032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17284 + ... + 18519.

It is an arithmetic number, because the mean of its divisors is an integer number (2792712).

Almost surely, 2^22126254 is an apocalyptic number.

22126254 is an abundant number, since it is smaller than the sum of its proper divisors (22557138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22126254 is a wasteful number, since it uses less digits than its factorization.

22126254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35911.

The product of its digits is 1920, while the sum is 24.

The square root of 22126254 is about 4703.8552273640. The cubic root of 22126254 is about 280.7389241034.

Adding to 22126254 its reverse (45262122), we get a palindrome (67388376).

The spelling of 22126254 in words is "twenty-two million, one hundred twenty-six thousand, two hundred fifty-four".